These cars' trunks are sealed from the cabin rather well. It will perform better if you can remove some of the sound deadning material from the area at the rear seat, or fab something to allow air to pass through the ski hole. The trunk lids seal well to, so you shouldnt have to worry about your trunk lid sounding like a 1976 Impala.

-There are 10 kinds of people. Those who understand binary, and those who do not.

-If we ever forget that we are One Nation Under God, then we will be a nation gone under...Ronald Reagan